MUSIC
life is like a piano, the white key represent the happiness and the black show sadness. but as you go through life journey , remember that black keys also create a music.

The typical symphony orchestra consists of four groups of related musical instruments called the woodwinds, brass, percussion, and strings. … Chamber orchestra usually refers to smaller-sized ensembles; a major chamber orchestra might employ as many as fifty musicians; some are much smaller than that.
An instrument is a tool, something used to construct. It’s often a tool for making music. A musical saw happens to be a carpenter’s tool that can be played with a violin bow (though you probably wouldn’t want to play a wrench or a pair of pliers). The musical meanings of instrumental, as in “It starts with an instrumental piece” or “a jazz instrumental”, are common. But the meanings “helpful”, “useful”, and “essential”, as in “He was instrumental in getting my book published”, are just as common.
a type of music of black American origin which emerged at the beginning of the 20th century, characterized by improvisation, syncopation, and usually a regular or forceful rhythm. Brass and woodwind instruments and piano are particularly associated with jazz, although guitar and occasionally violin are also used; styles include Dixieland, swing, bebop, and free jazz.
Pop music, often called simply pop, is contemporary music and a common type of popular music (distinguished from classical or art music and from folk music. The term does not refer specifically to a single genre or sound, and its meaning is different depending on the time and place. Within popular music, “pop music” is often distinguished from other subgenres by stylistic traits such as a danceable rhythm or beat, simple melodies and a repeating structure which are reminiscent of the songs of vocalists such as Karen Carpenter and Roberta Flack. Pop song lyrics are often emotional, relating to love or dancing.
